What happens when light passes from air into water?

Which part of the human eye works like a camera lens, focusing light on the retina?

What is the speed of light in vacuum?

Which phenomenon explains why a pencil looks bent in water?

What type of wave is light?

Which color of light has the longest wavelength?

Which scientist first proved that white light is made up of different colors?

The splitting of white light into its component colors is called:

Which optical instrument is used to see very distant objects like stars and planets?

The phenomenon responsible for the blue color of the sky is: